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| 型號： | HSC-INTERFACEBOARD |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 1.75 MSPS, 4 mW 10-Bit/12-Bit Parallel ADCs |
| 中文描述： | 1.75 MSPS的，4 10-Bit/12-Bit并行模數(shù)轉(zhuǎn)換器毫瓦 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 197K |
| 代理商： | HSC-INTERFACEBOARD |
REV. A
AD7470/AD7472
AD7470–SPECIFICATIONS
1
(V
DD
= +2.7 V to +5.25 V
2
, REF IN = 2.5 V, f
CLK IN
= 30 MHz @ 5 V and 24 MHz @ 3 V;
–2–
T
A
= T
MIN
to T
MAX3
, unless otherwise noted.)
Parameter
A Version
1
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to Noise + Distortion (SINAD)
5 V
60
60
60
60
–83
–75
–85
–75
3 V
60
60
60
60
–83
–75
–85
–75
f
S
= 1.75 MSPS @ 5 V, f
S
= 1.5 MSPS @ 3 V
f
IN
= 500 kHz Sine Wave
f
IN
= 100 kHz Sine Wave
f
IN
= 500 kHz Sine Wave
f
IN
= 100 kHz Sine Wave
f
IN
= 500 kHz Sine Wave
f
IN
= 100 kHz Sine Wave
f
IN
= 500 kHz Sine Wave
f
IN
= 100 kHz Sine Wave
dB min
Signal-to-Noise Ratio (SNR)
dB min
Total Harmonic Distortion (THD)
dB typ
dB max
dB typ
dB max
Peak Harmonic or Spurious Noise (SFDR)
Intermodulation Distortion (IMD)
Second Order Terms
–79
–75
–77
–75
5
15
20
–75
–75
–75
–75
5
15
20
dB typ
dB max
dB typ
dB max
ns typ
ps typ
MHz typ
f
IN
= 500 kHz Sine Wave
f
IN
= 100 kHz Sine Wave
f
IN
= 500 kHz Sine Wave
f
IN
= 100 kHz Sine Wave
Third Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
REFERENCE INPUT
REF IN Input Voltage Range
DC Leakage Current
Input Capacitance
LOGIC INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
Input Capacitance, C
IN4
LOGIC OUTPUTS
Output High Voltage, V
OH
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time
Throughput Rate
f
S
= 1.75 MSPS @ 5 V; f
S
= 1.5 MSPS @ 3 V
10
±
1
±
0.9
±
2.5
±
1
10
±
1
±
0.9
±
2.5
±
1
Bits
LSB max
LSB max
LSB max
LSB max
Guaranteed No Missed Codes to 10 Bits
0 to REF IN
±
1
33
0 to REF IN
±
1
33
V
μ
A max
pF typ
2.5
±
1
10/20
2.5
±
1
10/20
V
μ
A max
pF typ
±
1% for Specified Performance
Track/Hold Mode
2.4
0.4
±
1
10
2.4
0.4
±
1
10
V min
V max
μ
A max
pF max
Typically 10 nA, V
IN
= 0 V or V
DD
V
DRIVE
– 0.2
0.4
±
10
10
Straight (Natural) Binary
V
DRIVE
– 0.2
0.4
±
10
10
V min
V max
μ
A max
pF max
I
SOURCE
= 200
μ
A
I
SINK
μ
A
V
DD
= 2.7 V to 5.25 V
12
135
1.75
12
135
1.5
CLK IN Cycles (max)
ns min
MSPS max
Conversion Time + Acquisition Time
CLK IN of 30 MHz @ 5 V and 24 MHz @ 3 V
POWER REQUIREMENTS
V
I
DD
Normal Mode
Quiescent Current
Normal Mode
Quiescent Current
Sleep Mode
Power Dissipation
5
Normal Mode
+2.7/+5.25
V min/max
Digital I/Ps = 0 V or DV
DD
V
DD
= 4.75 V to 5.25 V; f
S
= 1.75 MSPS; Typ 2 mA
V
DD
= 4.75 V to 5.25 V; f
= 1.75 MSPS
V
DD
= 2.7 V to 3.3 V; f
S
= 1.5 MSPS; Typ 1.3 mA
V
= 2.7 V to 3.3 V; f
S
= 1.5 MSPS
CLK IN = 0 V or DV
Digital I/Ps = 0 V or DV
DD
V
DD
= 5 V
V
DD
= 3 V
V
DD
= 5 V; CLK IN = 0 V or DV
DD
V
DD
= 3 V; CLK IN = 0 V or DV
DD
2.4
900
1.5
800
1
mA max
μ
A max
mA max
μ
A max
μ
A max
12
4.5
5
3
mW max
mW max
μ
W max
μ
W max
Sleep Mode
NOTES
1
Temperature ranges as follows: A Version: -40
°
C to +85
°
C.
2
The AD7470 functionally works at 2.35 V. Typical specifications @ +25
°
C for SNR (100 kHz) = 59 dB; THD (100 kHz) = –84 dB; INL
±
0.8 LSB.
3
The AD7470 will typically maintain A-grade performance up to +125
°
C, with a reduced CLK of 20 MHz @ 5 V and 16 MHz @ 3 V. Typical Sleep Mode current @ +125
°
C is 700 nA.
4
Sample tested @ +25
°
C to ensure compliance.
5
See Power vs. Throughput Rate section.
Specifications subject to change without notice.
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